Question: What was the cause of Catullus' death in -54-1-1?
Paraphrase: When Catullus died on 1-1-54 what was the cause?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q163079 p:P570 ?s . ?s ps:P570 ?x filter(contains(?x , '-54-1-1')) . ?s pq:P31 ?value}